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Amphenol  · Electronic Components

UG-657/U

BNC PNL RECPT NICKEL PLT

Part NumberUG-657/U
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length1.300 INCHES NOMINAL
Overall Diameter0.570 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Precious MaterialGOLD AND SILVER
Precious Material LocationCONTACT SURFACES GOLD AND CONTACT SURFACES SILVER
Nominal Thread Size0.375 INCHES
Contact ArrangementBNC SINGLE MATING END
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Distance From Mounting Shoulder To0.500 INCHES NOMINAL
Federal Supply Class5935 — Connectors, Electrical
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is UG-657/U available?
We can source UG-657/U even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is UG-657/U by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If UG-657/U has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like UG-657/U?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for UG-657/U?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.